IBM 32R1860 User Guide - Page 4

Features and specifications The BNT Layer 2/3 Copper and Fiber Gigabit Ethernet Switch Modules for standard mode of operation includes the following features and functions: z Internal ports z 14 internal full-duplex Gigabit ports, one connected to each of the blade servers in the BladeCenter unit z Two internal full-duplex 10/100 Mbps ports connected to the management module z External ports z Copper switch: Six 1000BASE-T copper RJ-45 connections for making 10/100/1000 Mbps connections z Fiber switch: Six 1000BASE-SX SFP transceiver-based LC fiber connections for making 1000 Mbps connections z An RS-232 serial port that provides an additional means to install software and configure the switch module z Scalability and performance z Autosensing 10/1000/1000 Mbps external Ethernet ports for bandwidth optimization z Non-blocking architecture with wire-speed forwarding of traffic z Media access control (MAC) address learning: automatic update, supports up to 16 K MAC addresses z Up to 128 IP interfaces per switch z Static, EtherChannel, and LACP (IEEE 802.3ad) link aggregation, up to 6 Gb of total bandwidth per switch, up to three trunk groups, and up to six ports per group z Support for jumbo frames (up to 9216 bytes) z Broadcast/multicast storm control z IGMP snooping for limit flooding of IP multicast traffic (IGMP V1, V2, and V3) z IGMP filtering to control multicast traffic for hosts participating in multicast groups (IGMP V1, V2, and V3) z Configurable traffic distribution schemes over trunk links based on source/destination IP addresses, MAC addresses, or both z Fast port forwarding and fast uplink convergence for rapid STP convergence z Availability and redundancy z VRRP for Layer 3 router redundancy z IEEE 802.1D STP for providing Layer 2 redundancy with PVRST+ z IEEE 802.1s Multiple STP (MSTP) for topology optimization, up to 128 STP instances are supported by single switch z IEEE 802.1w Rapid STP (RSTP) provides rapid STP convergence for critical delay-sensitive, traffic-like voice or video z Layer 2 Trunk Failover to support active/standby configurations of network adapter teaming on blades BNT Layer 2/3 Copper and Fiber Gigabit Ethernet Switch Modules for IBM BladeCenter 4